Width Opening：63mm Compound Lock System：Support extendable cable or chain locking pin Smart electronic lock specially designed for E-Bike With CAN Bus communication interface for integration with E-Bike system or IoT/ connectivity device Lock/unlock operation via APP Integrated RFID function, lock/unlock operation by RFID Tag Equipped with LED to display successful lock/unlock This intelligent E-Lock is an RFID smart electronic lock designed for bicycles and E-Bike, which is developed by the collaboration of Microprogram and a domestic professional locking manufacturer (Yuan Wen Shing Industries Corp.) This lock is easy to use and secure through CAN Bus communication interface to lock & unlock more elegantly and conveniently by the integration into E-Bike system or RFID Tag. The unique latch design (“lock-to” feature) also locks your bike on to the railings or bike racks with an additional chain to enhance anti-theft, which is suitable for bikes or E-Bike the best safety protection.